Home / 3,188.25-4,784.40-1,456.92

Finding the Fourth Proportional to 3,188.25, 4,784.40 and 1,456.92

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Solution

The fourth proportional to 3,188.25, 4,784.40 and 1,456.92 is: 2,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.25 : 4,784.40 = 1,456.92 : x
  2. Step 2: Convert to fraction form
    3,188.25/4,784.40 = 1,456.92/x
  3. Step 3: Cross multiply
    3,188.25x = 4,784.40 × 1,456.92
  4. Step 4: Simplify right side
    3,188.25x = 6,970,488.05
  5. Step 5: Solve for x
    x = 6,970,488.05/3,188.25
  6. Step 6: Final answer
    x = 2,186.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.